108944161 has 2 divisors, whose sum is σ = 108944162. Its totient is φ = 108944160.

The previous prime is 108944159. The next prime is 108944183. The reversal of 108944161 is 161449801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105165025 + 3779136 = 10255^2 + 1944^2 .

It is an emirp because it is prime and its reverse (161449801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108944161 - 2¹ = 108944159 is a prime.

It is a super-3 number, since 3×108944161³ (a number of 25 digits) contains 333 as substring.

Together with 108944159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (108944131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54472080 + 54472081.

It is an arithmetic number, because the mean of its divisors is an integer number (54472081).

Almost surely, 2^108944161 is an apocalyptic number.

It is an amenable number.

108944161 is a deficient number, since it is larger than the sum of its proper divisors (1).

108944161 is an equidigital number, since it uses as much as digits as its factorization.

108944161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 108944161 is about 10437.6319632376. The cubic root of 108944161 is about 477.6040338731.

The spelling of 108944161 in words is "one hundred eight million, nine hundred forty-four thousand, one hundred sixty-one".